The phrase "associated with declines" is correct and usable in written English.
It can be used when discussing a relationship or correlation between a particular factor and a decrease in something, such as performance, sales, or health.
Example: "The recent study found that increased screen time is associated with declines in attention span among children."
Alternatives: "linked to decreases" or "connected with reductions".
Prolonged weightlessness is associated with declines in musculoskeletal, cardiovascular, and sensorimotor health.
They found that passage of medical marijuana laws was associated with declines in obesity and overall BMI, controlling for social and economic factors, policy differences and food prices.
Low levels of social connection are associated with declines in physical and psychological health as well as a higher likelihood for antisocial behavior that leads to further isolation.
Moving to an urban destination was strongly associated with declines in well-being, as was moving far from family or friends.
It is suggested that declines in estrogen around menopause are associated with declines in cognitive functioning as well as increased risk of depressive symptoms and depressive disorders.
This chapter says that researchers begin finding and reporting that the transition to middle grades schools is associated with declines in academic motivation and performance.
The study found that increases in density of gypsy moths were associated with declines in density of the white- footed mouse, a predator, and changes in density of the white-footed mouse were closely associated with mast crops of acorns.
For example, in native grassland pasture, rooting was initially associated with declines in plant species richness, while in sown pastures, rooting was associated with more sustained increases in plant species richness.
Menopause and the accompanying loss of ovarian estrogens are associated with declines in bone mineral density (BMD): 10-year cumulative loss was 9.1% at the femoral neck and 10.6%, lumbar spine.
Elsewhere we showed that loss of chenopod shrubs from a landscape characterized as resilient was associated with declines in plant productivity and efficiency of conversion of rainfall into plant mass.
The increase in concentration of rumen LPS was also associated with declines in milk fat yield and 3.5% fat-corrected milk (R2 = 0.50), as well as milk energy efficiency (R2 = 0.43).
